<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<select name="edu">
    <option value="1">小班</option>
    <option value="2" selected="selected">中班</option>
    <option value="3">大班</option>
    <option value="4">大班</option>
    <option value="5">大班</option>
    <option value="6">大班</option>
    <option value="7">大班</option>
</select>
<input type="submit" value="提交"/>
</body>
</html>